An Azure service that is used to manage and protect cryptographic keys and other secrets used by cloud apps and services.
As long as you're storing it as a certificate (rather than a secret), then yes.
Certificate policies allow the notification to Certificate Contacts.
See this cmdlet for one way of adding Contacts to a certificate. https://learn.microsoft.com/en-us/powershell/module/az.keyvault/add-azkeyvaultcertificatecontact?view=azps-10.0.0
If your certificate is being used on a public web app, then another option could be to use Application Insights SSL checking.